Vadim Bendebury | 0a05071 | 2015-05-29 11:35:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 The Chromium OS Authors. All rights reserved. |
| 3 | * Use of this source code is governed by a BSD-style license that can be |
| 4 | * found in the LICENSE file. |
| 5 | */ |
| 6 | |
| 7 | #ifndef __TPM2_MATHFUNCTIONS_FP_H |
| 8 | #define __TPM2_MATHFUNCTIONS_FP_H |
| 9 | |
Vadim Bendebury | f788ffb | 2015-06-05 12:57:27 -0700 | [diff] [blame] | 10 | LIB_EXPORT int _math__Comp(const UINT32 aSize, // IN: size of a |
| 11 | const BYTE *a, // IN: a buffer |
| 12 | const UINT32 bSize, // IN: size of b |
| 13 | const BYTE *b // IN: b buffer |
| 14 | ); |
| 15 | LIB_EXPORT CRYPT_RESULT _math__Div(const TPM2B *n, // IN: numerator |
| 16 | const TPM2B *d, // IN: denominator |
| 17 | TPM2B *q, // OUT: quotient |
| 18 | TPM2B *r // OUT: remainder |
Vadim Bendebury | 0a05071 | 2015-05-29 11:35:04 -0700 | [diff] [blame] | 19 | ); |
Vadim Bendebury | f788ffb | 2015-06-05 12:57:27 -0700 | [diff] [blame] | 20 | LIB_EXPORT BOOL _math__IsPrime(const UINT32 prime); |
| 21 | LIB_EXPORT CRYPT_RESULT |
| 22 | _math__ModExp(UINT32 cSize, // IN: size of the result |
| 23 | BYTE *c, // OUT: results buffer |
| 24 | const UINT32 mSize, // IN: size of number to be exponentiated |
| 25 | const BYTE *m, // IN: number to be exponentiated |
| 26 | const UINT32 eSize, // IN: size of power |
| 27 | const BYTE *e, // IN: power |
| 28 | const UINT32 nSize, // IN: modulus size |
| 29 | const BYTE *n // IN: modulu |
| 30 | ); |
| 31 | LIB_EXPORT UINT16 _math__Normalize2B(TPM2B *b // IN/OUT: number to normalize |
| 32 | ); |
| 33 | LIB_EXPORT int _math__sub(const UINT32 aSize, // IN: size of a |
| 34 | const BYTE *a, // IN: a |
| 35 | const UINT32 bSize, // IN: size of b |
| 36 | const BYTE *b, // IN: b |
| 37 | UINT16 *cSize, // OUT: set to MAX(aSize, bSize) |
| 38 | BYTE *c // OUT: the difference |
| 39 | ); |
| 40 | LIB_EXPORT int _math__uComp(const UINT32 aSize, // IN: size of a |
| 41 | const BYTE *a, // IN: a |
| 42 | const UINT32 bSize, // IN: size of b |
| 43 | const BYTE *b // IN: b |
Vadim Bendebury | 0a05071 | 2015-05-29 11:35:04 -0700 | [diff] [blame] | 44 | ); |
| 45 | |
Vadim Bendebury | f788ffb | 2015-06-05 12:57:27 -0700 | [diff] [blame] | 46 | #endif // __TPM2_MATHFUNCTIONS_FP_H |